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bbh_shootout: Move bitmap rendering out of the timing codepath.

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R=reed@google.com

Author: sglez@google.com

Review URL: https://chromiumcodereview.appspot.com/23639003

git-svn-id: http://skia.googlecode.com/svn/trunk@10983 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
commit-bot@chromium.org 2013-08-28 16:02:47 +00:00
parent 7ab7ca4199
commit 6241754c84
1 changed files with 13 additions and 3 deletions
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16
tools/bbh_shootout.cpp
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@ -238,11 +238,11 @@ static void do_benchmark_work(sk_tools::PictureRenderer* renderer,
}
renderer->setup();
// Render once to fill caches.
renderer->render(NULL);
// Render once to fill caches. Fill bitmap during the first iteration.
renderer->render(NULL, out);
// Render again to measure
timer->start();
bool result = renderer->render(NULL, out);
bool result = renderer->render(NULL);
timer->end();
// We only care about a false result on playback. RecordPictureRenderer::render will always
@ -388,7 +388,9 @@ int tool_main(int argc, char** argv) {
playbackOut.writeText("\n");
// Write to file, and save recording averages.
SkScalar avgRecord = SkIntToScalar(0);
SkScalar avgPlayback = SkIntToScalar(0);
SkScalar avgRecordRTree = SkIntToScalar(0);
SkScalar avgPlaybackRTree = SkIntToScalar(0);
for (int i = 0; i < argc - 1; ++i) {
SkString pbLine;
SkString recLine;
@ -400,10 +402,13 @@ int tool_main(int argc, char** argv) {
cpuTime = histograms[BenchmarkControl::kRTreeRecord][i].fCpuTime;
recLine.appendf("%f", cpuTime);
avgRecordRTree += cpuTime;
avgPlaybackRTree += cpuTime;
// ==== Write playback info
pbLine.printf("%d ", i);
pbLine.appendf("%f ", histograms[2][i].fCpuTime); // Start with normal playback time.
avgPlayback += histograms[kNumBbhPlaybackBenchmarks - 1][i].fCpuTime;
avgPlaybackRTree += histograms[kNumBbhPlaybackBenchmarks][i].fCpuTime;
// Append all playback benchmark times.
for (size_t j = kNumBbhPlaybackBenchmarks; j < kNumBenchmarks; ++j) {
pbLine.appendf("%f ", histograms[j][i].fCpuTime);
@ -416,8 +421,13 @@ int tool_main(int argc, char** argv) {
}
avgRecord /= argc - 1;
avgRecordRTree /= argc - 1;
avgPlayback /= argc - 1;
avgPlaybackRTree /= argc - 1;
SkDebugf("Average base recording time: %.3fms\n", avgRecord);
SkDebugf("Average recording time with rtree: %.3fms\n", avgRecordRTree);
SkDebugf("Average base playback time: %.3fms\n", avgPlayback);
SkDebugf("Average playback time with rtree: %.3fms\n", avgPlaybackRTree);
SkDebugf("\nWrote data to gnuplot-readable files: %s %s\n", pbTitle, recTitle);
return 0;